I'm so nervous!

Rita
Please tell me everything will be ok!!
I have a bad cold and all night I was up coughing vigorously. Like coughing so bad I almost threw up. 
Would that make you miscarry?? Can the embryo "un-attach" at such an early stage?
I'm 7 weeks. Had lots of bloating and nausea until yesterday. Today I feel totally normal, so symptoms... I hope that doesn't mean I had a miscarriage form all the violent coughing....
Doctor appt on Friday but I'm nervous!
Sorry if it sounds ridiculous but I'm really concerned.